CN219808581U - Fish belly type honeycomb beam - Google Patents

Abstract

The utility model relates to the field of buildings, and provides a fish-bellied honeycomb beam, which is arranged in a steel structure and is connected with a main body structure, wherein the fish-bellied honeycomb beam consists of an upper flange plate, a lower flange plate and a web plate, pipeline holes are formed in the web plate, the upper flange plate and the lower flange plate are perpendicular to the web plate and are oppositely arranged, a middle line perpendicular to the upper flange plate and a connecting end connected to the main body structure are formed on the fish-bellied honeycomb beam, and the distance from the upper flange plate to the lower flange plate at the middle line is greater than the distance from the upper flange plate to the lower flange plate at the connecting end. The utility model can facilitate the water and electricity pipeline to pass through in the height range of the beam, and reduce the total height and the total cost of the building. Meanwhile, the cross section of the material is fully utilized to be matched with the bending moment and shearing force, so that the fish belly honeycomb Liang Chongliang is reduced to the greatest extent, and the waste of steel is avoided.

Description

Fish belly type honeycomb beam

Technical Field

The utility model relates to the field of buildings, in particular to a fish belly honeycomb beam.

Background

At present, the steel structure building is one of building structural forms which clearly require great development in China, and can be divided into a traditional steel structure building and an assembled steel structure building. The steel structure building has the advantages of mature structural design, convenient production, complete construction measure, quick construction period, light dead weight, less waste discharge, good durability and the like, and is widely applied to the fields of industrial buildings and civil industrial buildings in China. Meanwhile, the carbon emission of the steel structure building is lower than that of the concrete building. In recent years, the technical development and project landing strength of steel structures are larger and larger, and the steel structures occupy more and more important positions in the field of buildings in China.

In the current steel structure building, the steel beams which are frequently used are constant-section solid web steel beams, and also a small part of the building uses constant-section honeycomb beams and variable-section fish web beams. All three steel girder forms have certain defects in use:

1. if the constant-section solid web steel beam is adopted, the hydropower pipeline in the building needs to pass through the steel beam below the steel beam, so that the net height of the building can be obviously reduced, the layer height of the building is increased, and the total height and the total cost of the building are further increased. Meanwhile, the constant-section solid web steel beam does not fully utilize the section materials, so that the section is matched with the bending moment and shearing force, and the problems of weight increase, steel waste and the like are caused.

Second, if a honeycomb beam with a uniform cross section is used, the water and electricity pipeline of the building can pass through the beam height range, so that the net height of the building is increased, the layer height of the building is reduced, and the total height and the total cost of the building are further reduced. However, the cross section material of the constant cross section honeycomb beam is not fully utilized, so that the cross section of the constant cross section honeycomb beam is matched with the bending moment and shearing force, and the problems of weight increase, steel waste and the like still occur.

Thirdly, if the fish belly beam with the variable cross section is adopted, the cross section material of the fish belly beam can be fully utilized to a certain extent, so that the cross section of the fish belly beam is matched with the bending moment, but the shearing force of the fish belly beam still has a larger allowance. The hydropower pipeline still needs to pass through the steel beam below the steel beam, so that the net height of the building is reduced, the floor height of the building is increased, and the total height and the total cost of the building are further increased.

In view of the above, the present utility model provides a fish-bellied cellular beam for solving the above problems.

Disclosure of Invention

In order to solve the problems, the utility model provides a fish belly type honeycomb beam.

The utility model provides a fish belly type honeycomb beam, which adopts the following technical scheme:

the utility model provides a fish belly formula honeycomb roof beam, fish belly formula honeycomb roof beam installs in steel construction, links to each other with major structure, fish belly formula honeycomb roof beam comprises web, upper flange plate and lower flange plate, set up on the web and worn the pipeline hole, upper flange plate with lower flange plate all perpendicular to web and relative setting, be formed with on the fish belly formula honeycomb roof beam perpendicular to upper flange plate's intermediate line with connect in link on the major structure upper flange plate to the distance of intermediate line department upper flange plate to lower flange plate is greater than upper flange plate to the distance of lower flange plate.

Through adopting above-mentioned technical scheme, the roof beam height of mid-line department is greater than the roof beam height of link department, can be with pressure dispersion to the high of whole roof beam for the average pressure of mid-line department and the pressure distribution of link department are more balanced, can improve the bearing capacity of roof beam, increase the bending rigidity of roof beam, have reduced the deflection and the deformation of roof beam.

The through pipeline holes are formed in the web plate, so that the water and electricity pipeline can conveniently pass through the through pipeline holes within the range of the height of the beam, the net height of the building is increased, the layer height of the building is reduced, and the total height and the total cost of the building are further reduced. Meanwhile, the section materials are fully utilized, so that the section is matched with the bending moment and shearing force, the weight of the steel beam is reduced to the greatest extent, and the waste of steel is avoided.

Optionally, the distance from the upper flange plate to the lower flange plate gradually decreases along the direction from the middle line to the connecting end, and the fish-bellied honeycomb beam is axisymmetrically arranged with the middle line as a symmetry axis.

Optionally, an edge of the lower flange plate contacting the web is in a circular arc shape, and the circular arc shape protrudes towards one side of the lower flange plate away from the upper flange plate.

By adopting the technical scheme, when the fish-bellied honeycomb beam is bent, the bending moment distribution is more complex than that of a straight beam due to the existence of the convex part of the fish-bellied honeycomb beam. The bending moment distribution is more uniform, and the possibility of deformation and crack generated by the beam can be reduced. And, because of its design of shape, its bearing capacity is stronger. Thus, under the same conditions, the fish-bellied honeycomb beams can withstand greater bending moments.

Thus, the raised portion may increase its stability, thereby reducing its lateral displacement upon bending. This means that the fish-bellied honeycomb beams can better resist the influence of side loads and thus have better stability. In addition, in the use scene that needs to be exposed to the external environment, the fish belly-like design can also enable the beam to have better aesthetic effect, because the beam is more exquisite and smooth compared with the traditional straight plate-shaped beam.

Optionally, a plurality of pipeline penetrating holes are formed, and the plurality of pipeline penetrating holes are arranged on the fish belly honeycomb beam at intervals.

Through adopting above-mentioned technical scheme, the interval sets up a plurality of pipeline holes, can make building water and electricity pipeline pass above-mentioned fish belly formula honeycomb roof beam more orderly.

Optionally, the diameter of the through-line hole gradually decreases along the direction from the intermediate line to the connecting end.

Through adopting above-mentioned technical scheme, because the beam height that fish-bellied honeycomb roof beam was located above-mentioned mid line department is greater than the beam height that is located the link department, the pipeline hole of wearing of setting up not equidimension can increase fish-bellied honeycomb roof beam cross-section's utilization ratio to a greater extent.

Optionally, the web and the upper flange plate are both perpendicular to the main body structure and connected to the side face of the fish belly honeycomb beam.

By adopting the technical scheme, the fish belly honeycomb beam and the main structure connected with the fish belly honeycomb beam are arranged in an I shape, so that the stability of the connection relationship is facilitated.

Optionally, the fish belly honeycomb girder comprises a main body structure, and is characterized by further comprising a connecting plate, wherein one end of the connecting plate is fixedly connected with the main body structure, and the other end of the connecting plate is fixedly connected with the fish belly honeycomb girder.

Through adopting above-mentioned technical scheme, use connecting plate fixed connection fish belly formula honeycomb roof beam and major structure can make its relation of connection allow dismantlement and maintenance under stable prerequisite, the construction of being convenient for.

Optionally, the connecting plate is close to the one end of major structure inlays and locates inside the major structure, the connecting plate is kept away from the one end of major structure inlays and locates inside the fish belly formula honeycomb roof beam.

Through adopting above-mentioned technical scheme, inlay the mode of establishing can further promote fish belly formula honeycomb roof beam and major structure connection structure's stability and rigidity, simultaneously, the connecting plate inlays and locates inside, can further prolong overall structure's life.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the water and electricity pipeline can conveniently pass through the beam height range, the net height of the building is increased, the layer height of the building is reduced, and then the total height and the total cost of the building are reduced. Meanwhile, the cross section material is fully utilized to enable the cross section to be matched with the bending moment and shearing force, so that the fish belly honeycomb Liang Chongliang is reduced to the greatest extent, and the waste of steel is avoided.

2. The raised portion may increase its stability, thereby reducing its lateral displacement upon bending. This means that the fish-bellied honeycomb beams can better resist the influence of side loads and thus have better stability. In addition, in the use scene that needs to be exposed to external environment, the fish belly-like design can also enable the fish belly-like honeycomb beam to have better aesthetic effect, because the fish belly-like honeycomb beam is more exquisite and smooth compared with the traditional straight plate-shaped beam.

3. The embedded mode can further promote stability and rigidity of fish belly formula honeycomb roof beam and major structure connection structure, simultaneously, the connecting plate inlays and locates inside, can further prolong overall structure's life.

Drawings

Fig. 1 is a front view of a fish belly honeycomb beam in accordance with an embodiment of the utility model.

Fig. 2 is a top view of a fish belly honeycomb beam in accordance with an embodiment of the utility model.

FIG. 3 is a graph comparing shear force and bending moment experienced by a fish-bellied cellular beam according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a main body structure; 2. fish belly honeycomb beam; 21. a web; 22. an upper flange plate; 23. a lower flange plate; 24. penetrating the pipeline hole; 25. a middle line; 26. a connection end; 3. and (5) connecting a plate.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the inventive concepts. As part of this specification, some of the drawings of the present disclosure represent structures and devices in block diagram form in order to avoid obscuring the principles of the disclosure. In the interest of clarity, not all features of an actual implementation are necessarily described. Reference in the present disclosure to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment, and multiple references to "one embodiment" or "an embodiment" should not be understood as necessarily all referring to the same embodiment.

The terms "a," "an," and "the" are not intended to refer to a singular entity, but rather include the general class of which a particular example may be used for illustration, unless clearly defined. Thus, the use of the terms "a" or "an" may mean any number of at least one, including "one", "one or more", "at least one", and "one or more than one". The term "or" means any of the alternatives and any combination of alternatives, including all alternatives, unless alternatives are explicitly indicated as mutually exclusive. The phrase "at least one of" when combined with a list of items refers to a single item in the list or any combination of items in the list. The phrase does not require all of the listed items unless specifically so defined.

The embodiment of the utility model discloses a fish belly type honeycomb beam. Referring to fig. 1 and 2, the fish-bellied honeycomb girder 2 is installed in a steel structure, connected with the main body structure 1, and the fish-bellied honeycomb girder 2 is provided with at least one.

Specifically, the fish-bellied honeycomb girder 2 is composed of a web 21, an upper flange plate 22 and a lower flange plate 23, wherein the web 21 is provided with a pipeline penetrating hole 24, the pipeline penetrating hole 24 is used for penetrating a hydropower pipeline of a building, the web 21 is provided with the pipeline penetrating hole 24, the hydropower pipeline can conveniently penetrate in the girder height range, the net height of the building is increased, the layer height of the building is reduced, and then the total height and the total cost of the building are reduced.

Further, the upper flange 22 and the lower flange 23 are disposed to face each other perpendicularly to the web 21, and a middle line 25 perpendicular to the upper flange 22 and a connection end 26 connected to the main structure 1 are formed in the fish-web-type honeycomb girder 2, and a distance from the upper flange 22 to the lower flange 23 at the middle line 25 is greater than a distance from the upper flange 22 to the lower flange 23 at the connection end 26.

In an actual engineering scene, the distance from the upper flange plate 22 to the lower flange plate 23 is the beam height of the fish-bellied honeycomb beam 2, the beam height at the middle line 25 is greater than the beam height at the connecting end 26, and the pressure can be dispersed to the height of the whole beam, so that the average pressure at the middle line 25 and the pressure at the connecting end 26 are distributed more uniformly, the bearing capacity of the beam can be improved, the bending rigidity of the beam is increased, and the deflection and deformation of the beam are reduced.

Referring to fig. 3, the shear force diagram and the bending moment diagram of the structure are shown in fig. 3, and the design can fully utilize the material section of the structure to enable the section to be matched with the bending moment and the shearing force, so that the weight of the fish-bellied honeycomb beam 2 is reduced to the greatest extent, and the waste of steel is avoided.

With continued reference to fig. 1 and 2, in various embodiments, the fish-bellied honeycomb beams 2 described above may have different shapes, e.g., the surfaces forming the through-line holes 24 may be trapezoidal. In particular, but not limited to, in the present embodiment, the distance from the upper flange plate 22 to the lower flange plate 23 is gradually reduced along the direction from the intermediate line 25 to the connecting end 26, and the fish-web-shaped honeycomb beams 2 are arranged in an axisymmetric manner with respect to the intermediate line 25 as a symmetry axis.

Further, an edge of the lower flange plate 23 contacting the web 21 has a circular arc shape, and the circular arc shape is protruded toward a side of the lower flange plate 23 away from the upper flange plate 22. The fish-bellied honeycomb girder 2 is more complex in bending than a straight girder due to the presence of its convex portion. The bending moment distribution is more uniform, and the possibility of deformation and crack generated by the beam can be reduced. And, because of its design of shape, its bearing capacity is stronger. Thus, under the same conditions, the fish-bellied honeycomb girder 2 can withstand a larger bending moment.

Thus, the raised portion may increase its stability, thereby reducing its lateral displacement upon bending. This means that the fish-bellied honeycomb girder 2 can better resist the influence of lateral loads and thus has better stability. In addition, in a use scenario requiring exposure to the external environment, the fish belly-like design described above can also provide a better aesthetic effect to the fish belly honeycomb beam 2 because it is more elegant and fluent than a conventional straight slab beam.

Specifically, in different embodiments, the number of through-line holes 24 may be different, for example, 5. Moreover, the through-line holes 24 may be arranged in different ways. Illustratively, in some embodiments, a plurality of the through-line holes 24 are spaced apart on the fish-bellied honeycomb beams 2. The plurality of pipeline penetrating holes 24 are arranged at intervals, so that the water and electricity pipeline of the building can pass through the fish belly honeycomb beam 2 more orderly.

Further, the plurality of through-line holes 24 may be the same size or different sizes. As an example, in the present embodiment, the diameter of the through-line hole 24 is gradually reduced in the direction from the intermediate line 25 to the connection end 26, and may be symmetrically disposed with respect to the intermediate line 25 as an axis of symmetry. Since the beam height of the fish-bellied honeycomb girder 2 at the middle line 25 is greater than the beam height at the connecting end 26, the utilization rate of the cross section of the fish-bellied honeycomb girder 2 can be increased to a greater extent by providing the through-line holes 24 with different sizes.

Additionally, the through-line hole 24 may have a different shape, and as an example, in some embodiments, the through-line hole 24 may have a circular cross-section perpendicular to its own axis, but may have a square shape.

In particular, in different embodiments, the above-mentioned body structures 1 may be distributed in different ways, which may be determined according to the specific use scenario. Illustratively, in this embodiment, the web 21 and the upper flange plate 22 are each connected to the side of the fish-web-type honeycomb girder 2 perpendicular to the main structure 1. The fish belly honeycomb beam 2 and the main body structure 1 connected with the fish belly honeycomb beam are arranged in an I shape, which is more beneficial to the stability of the connection relation.

In different embodiments, the main body structure 1 and the fish belly honeycomb beam 2 may be fixedly connected in different manners, for example, may be directly connected by a bolt manner or may be directly connected by a welding manner. The present utility model provides, in particular but not in a limiting sense, a connection: a connecting plate 3 is installed between the main body structure 1 and the fish-bellied cellular beam 2, one end of the connecting plate 3 is fixedly connected with the main body structure 1, and the other end is fixedly connected with the fish-bellied cellular beam 2. The fish belly honeycomb beam 2 and the main structure 1 are fixedly connected by the connecting plate 3, so that the connection relation of the fish belly honeycomb beam 2 and the main structure 1 can be disassembled and maintained on the premise of stability, and the construction is convenient.

Further, the connecting plate 3 and the main body structure 1, and the connecting plate 3 and the fish belly honeycomb beam 2 can be fixedly connected in different manners. As an example, one end of the connecting plate 3 near the main body 1 is embedded in the main body 1, one end of the connecting plate 3 far away from the main body 1 is embedded in the fish-bellied honeycomb beam 2, and the connecting plate 3 is fixedly connected with the main body 1, the connecting plate 3 and the fish-bellied honeycomb beam 2 by bolt welding. The embedded mode can further improve stability and rigidity of the connection structure of the fish belly honeycomb beam 2 and the main body structure 1, meanwhile, the connecting plate 3 is embedded inside, and service life of the whole structure can be further prolonged.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a fish-bellied honeycomb roof beam, its characterized in that, fish-bellied honeycomb roof beam (2) install in steel construction, link to each other with major structure (1), fish-bellied honeycomb roof beam (2) are by web (21), upper flange plate (22) and lower flange plate (23) are constituteed, offer pipeline hole (24) on web (21), upper flange plate (22) with lower flange plate (23) all perpendicular to web (21) and relative setting, be formed with on fish-bellied honeycomb roof beam (2) perpendicular to intermediate line (25) of upper flange plate (22) and connect in link (26) on major structure (1) upper flange plate (22) to lower flange plate (23) distance that intermediate line (25) located is greater than upper flange plate (22) to lower flange plate (23) distance.

2. Fish-bellied honeycomb girder according to claim 1, characterized in that the distance from the upper flange plate (22) to the lower flange plate (23) decreases gradually in the direction from the intermediate line (25) to the connecting end (26), and in that the fish-bellied honeycomb girder (2) is arranged axisymmetrically with the intermediate line (25) as symmetry axis.

3. Fish-web honeycomb girder according to claim 2, characterized in that the edge of the lower flange plate (23) contacting the web (21) is circular arc-shaped and that the circular arc-shaped bulges towards the side of the lower flange plate (23) remote from the upper flange plate (22).

4. The fish-bellied honeycomb girder according to claim 1, characterized in that a plurality of through-line holes (24) are provided, and a plurality of through-line holes (24) are provided at intervals on the fish-bellied honeycomb girder (2).

5. Fish-web-type honeycomb girder according to claim 4, characterized in that the diameter of the through-line holes (24) decreases gradually in the direction of the intermediate line (25) to the connection end (26).

6. Fish-web honeycomb girder according to any of claims 1-5, characterized in that the web (21) and the upper flange plate (22) are connected to the sides of the fish-web honeycomb girder (2) perpendicular to the main structure (1).

7. The fish-bellied honeycomb girder according to claim 6, further comprising a connecting plate (3), wherein one end of the connecting plate (3) is fixedly connected with the main body structure (1), and the other end is fixedly connected with the fish-bellied honeycomb girder (2).

8. The fish belly honeycomb girder according to claim 7, wherein one end of the connecting plate (3) close to the main body structure (1) is embedded in the main body structure (1), and one end of the connecting plate (3) far away from the main body structure (1) is embedded in the fish belly honeycomb girder (2).